Sensitivity of Electronic Commerce Measurement to the Survey Instrument. - Vasja Vehovar; Katja Lozar Manfreda; Zenel Batagelj (Int. J. Electron. Commer., 2001)

Design of Web Survey Questionnaires: Three Basic Experiments. - Katja Lozar Manfreda; Zenel Batagelj; Vasja Vehovar (J. Comput. Mediat. Commun., 2002)

The social support networks of internet users. - Valentina Hlebec; Katja Lozar Manfreda; Vasja Vehovar (New Media Soc., 2006)

Measuring ego-centered social networks on the web: Questionnaire design issues. - Vasja Vehovar; Katja Lozar Manfreda; Gasper Koren; Valentina Hlebec (Soc. Networks, 2008)

Nonresponse in Web Surveys. - Katja Lozar Manfreda; Nejc Berzelak; Vasja Vehovar (International Encyclopedia of Statistical Science, 2011)

The effect of email invitation elements on response rate in a web survey within an online community. - Andraz Petrovcic; Gregor Petric; Katja Lozar Manfreda (Comput. Hum. Behav., 2016)

Mode comparison study on willingness to buy and willingness to pay for organic foods: paper-and-pencil versus computerized questionnaire. - Kiriaki M. Keramitsoglou; Katja Lozar Manfreda; Charalampia Anastasiou; Knut Kalgraff Skjåk; Konstantinos P. Tsagarakis (Electron. Commer. Res., 2018)